/* initial comment */
body {
  color: red;
  background: url('my file.png');
  border: 1px solid red; /* comment within a brace */
}
a + b, a + c, #my_style, #my-style {
  color: blue;
}
.a .b {
  color: green;
}
a #b, c#d, e.f {
  color: #ff0;
}
a:hover {
  content: 'hello, world!; '
}
/* a comment */